diff --git a/api/edge-ssr.mjs b/api/edge-ssr.js
similarity index 100%
rename from api/edge-ssr.mjs
rename to api/edge-ssr.js
diff --git a/api/ssr.mjs b/api/ssr.mjs
deleted file mode 100644
index b509f590..00000000
--- a/api/ssr.mjs
+++ /dev/null
@@ -1,30 +0,0 @@
-import { renderPage } from 'vike/server'
-
-export default async function handler(req, res) {
-  const { url, cookies } = req
-
-  const pageContext = await renderPage({ urlOriginal: url, cookies })
-
-  const { httpResponse, errorWhileRendering, is404 } = pageContext
-
-  if (errorWhileRendering && !is404) {
-    console.error(errorWhileRendering)
-    res.statusCode = 500
-    res.end()
-    return
-  }
-
-  if (!httpResponse) {
-    res.statusCode = 200
-    res.end()
-    return
-  }
-
-  const { body, statusCode, headers } = httpResponse
-
-  res.statusCode = statusCode
-
-  headers.forEach(([name, value]) => res.setHeader(name, value))
-  res.setHeader('Cache-Control', 's-maxage=1, stale-while-revalidate')
-  res.end(body)
-}
diff --git a/vercel.json b/vercel.json
index ab03cf0b..6a76165f 100644
--- a/vercel.json
+++ b/vercel.json
@@ -2,7 +2,7 @@
   "rewrites": [
     {
       "source": "/((?!assets/).*)",
-      "destination": "/api/edge-ssr.mjs"
+      "destination": "/api/edge-ssr.js"
     }
   ]
 }